emmc: Modify txlx latest data for data6

PD#169386: emmc: modify txlx latest data for data6

Change-Id: I5bbfa5fa7fa7641a3a532ef74f5e5450b518135c
Signed-off-by: Long Yu <long.yu@amlogic.com>

diff --git a/drivers/amlogic/mmc/aml_sd_emmc.c b/drivers/amlogic/mmc/aml_sd_emmc.c
index c276bee..097d2a2 100644 (file)
--- a/drivers/amlogic/mmc/aml_sd_emmc.c
+++ b/drivers/amlogic/mmc/aml_sd_emmc.c
@@ -3453,7 +3453,7 @@ static struct meson_mmc_data mmc_data_txlx = {
        .ds_pin_poll = 0x3c,
        .ds_pin_poll_en = 0x4a,
        .ds_pin_poll_bit = 11,
-       .latest_dat = 7,
+       .latest_dat = 6,
        .sdmmc.init.core_phase = 3,
        .sdmmc.init.tx_phase = 0,
        .sdmmc.init.rx_phase = 0,

diff --git a/drivers/amlogic/mmc/aml_sd_emmc_v3.c b/drivers/amlogic/mmc/aml_sd_emmc_v3.c
index 5241cd4..cdce99b 100644 (file)
--- a/drivers/amlogic/mmc/aml_sd_emmc_v3.c
+++ b/drivers/amlogic/mmc/aml_sd_emmc_v3.c
@@ -1204,7 +1204,7 @@ int aml_emmc_hs200_timming(struct mmc_host *mmc)
        struct amlsd_host *host = pdata->host;
        u32 count = 0, delay1 = 0, delay2 = 0;
        u32 dat = host->data->latest_dat;
-       int ret = 0;
+       int ret = 0, add = 0;
 
        ret = aml_get_data_eyetest(mmc);
        if (ret) {
@@ -1216,21 +1216,27 @@ int aml_emmc_hs200_timming(struct mmc_host *mmc)
        delay2 = readl(host->base + SD_EMMC_DELAY2_V3);
        if (pdata->latest_dat != 0)
                dat = pdata->latest_dat;
+       if (dat < 5)
+               add = (delay1 >> (dat * 6)) & 0x3f;
+       else
+               add = (delay2 >> (dat * 6)) & 0x3f;
        count = fbinary(pdata->align[dat]);
-       if (count <= pdata->count/3)
+       if (count <= pdata->count/3) {
                count = pdata->count/3 - count;
-       else if (count <= (pdata->count*2)/3)
+               if (add)
+                       count += add;
+       } else if (count <= (pdata->count*2)/3)
                count = 0;
        else
-               count = pdata->count/2;
+               count = (pdata->count - count) + pdata->count/3;
        delay1 = (count<<0)|(count<<6)|(count<<12)
                |(count<<18)|(count<<24);
        writel(delay1, (host->base + SD_EMMC_DELAY1_V3));
        delay2 = (count<<0)|(count<<6)|(count<<12);
        writel(delay2, (host->base + SD_EMMC_DELAY2_V3));
-       pr_info("delay1: 0x%x , delay2: 0x%x\n",
+       pr_info("delay1: 0x%x, delay2: 0x%x, add:%d\n",
                readl(host->base + SD_EMMC_DELAY1_V3),
-               readl(host->base + SD_EMMC_DELAY2_V3));
+               readl(host->base + SD_EMMC_DELAY2_V3), add);
 
        count = fbinary(pdata->align[9]);
        if (count <= pdata->count/4)